Recursos educativos bottom fishing página 17

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Colonial society was structured according to race. Those born in Spain and their descendants in America (Creole people) were at the top of the social pyramid. There was also a rich bourgeoisie dedicated…
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Blood circulation (II)
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The heart The heart is the organ that pumps blood to all the cells in our body. It is about the size of a closed fist. Its walls are made of muscle tissue. The heart contains four chambers: The two top…
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Unit 2: The representation of the Earth: maps
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Cartography (n): the process of making maps. conventional signs (n): symbols or colours used to represent the different elements on maps. coordinates (n): geographical coordinates are a system used to…
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Food chains and food webs
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To study an ecosystem, it is important to know how living things interact with each other. The most important interaction between the living things in an ecosystem occurs in the food chain. A food chain…
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Let's learn how to... - The natural environment
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Draw a food web What do we do? You are going to draw the food web of the forest in the picture below. Draw the producers at the bottom of the food web. Then draw the primary consumers above, and finally…
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Mountain landscapes
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Mountain landscapes Mountains are high elevations of land. A mountain has three parts: The peak is the highest part of the mountain. The foot is the bottom part of the mountain. The slopes are the parts…
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Echinoderms
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3.1. Echinoderms Echinoderms are animals that live at the bottom of the sea. They do not have a head. They have an external skeleton consisting of plates with spines. The majority of echinoderms have a…
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The Middle Ages
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Castles and churches In the Middle Ages, the most important buildings were castles and churches. There are still many castles and churches from the Middle Ages in Spain today. We call these old…
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Complete. The vertebrae
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Complete this text with the correct words: The vertebrae are 33 bones that form a column down the centre of our back, called the column. There are 7 bones at the top of the spinal column that form our .…
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The Human Development Index
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The Human Development Index (HDI) uses statistics about life expectancy, education and per-capita gross domestic product (GDP) to rank countries according to their level of development. The HDI uses a…
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